<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { linkChart } from "../../util/LinkageChart";
import { chartApiBar, remoteChartApi,chartBIanalysis } from "@/api/tool/datav/chartApi";
import { getFormsource } from "@/api/tool/datav/formsource";
import { addOption } from "../../codegen/codegen";
import { dealWithData,testData } from "../../util/utilFun.js";

const animationDuration = 6000;
import VueEvent from "@/views/tool/datav/VueEvent";
import { websocketCommand } from "../../util/websocket.js";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.setOptions(JSON.parse(JSON.stringify(newVal)));
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    //this.$nextTick(() => {
    this.initChart();
    //});
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      //console.log("=>", dataOption);

      //初始化数据，判断数据源
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);
        //let interfaceURL = 'http://localhost:8088/chart/api/bar';
        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
        //先判断输入的url是否合法
        // if(fIsUrL(dataOption.interfaceURL)) {
        //   try {
        //     //ajax请求
        //     var paramJson = parseQueryString(dataOption.requestParameters);
        //   } catch (error) {

        //   }
        // }

        //console.log(paramJson);
      } else if (dataOption.dataSourceType == "database") {
         if (dataOption.database.executeSql != undefined && dataOption.database.executeSql != '') {
          
          let result = [];
          if(dataOption.database.sqlType == 'custom'){
          
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      if (dataOption.animate != null) {
        //添加动画样式
        //animateUtil.addAnimate(dataOption.bindingDiv, dataOption.animate);
      }
      //数据转化
      if(dataOption.newDataFormat == true && !(dataOption.dataSourceType == 'database' && dataOption.bi != null)){
        let seriesData = {"nodes":[],"links":[]}
        let sortData = dealWithData(dataOption.staticDataValue,"source")
        sortData.forEach(element => {
          element.data.forEach(e =>{
            let node = {"name":"","category":""}
            node.name = e.source
            node.category = e.category
            seriesData.nodes.push(node)
            let link = {"source":"","target":"","name":""}
            link.source = e.source
            link.target = e.target
            link.name  = e.name
            seriesData.links.push(link) 
          })
        })
        dataOption.staticDataValue = seriesData
      }

      let data = dataOption.staticDataValue;
      //*******************************************使用主题******************************************************/
      var color = [
        "#c12e34",
        "#e6b600",
        "#0098d9",
        "#2b821d",
        "#005eaa",
        "#339ca8",
        "#cda819",
        "#32a487"
      ];
      if (dataOption.isTopic == true) {
        if (this.chartOption.theme != null) {
          color = this.chartOption.theme.color;
        } else {
          color = color;
        }
      } else if (dataOption.isTopic == false) {
        color = color;
      }

      //若分类依据错误则默认橙色，100
      //console.log(theme,color);
      var nodestyles = {};
      for (let x = 0; x < data.nodes.length; x++) {
        var this_style = data.nodes[x].category;

        if (dataOption.pointStyles[this_style] == undefined) {
          var styles = {};
          styles.itemStyle = {};
          styles.label = {};
          //styles.label.color = "#fff";
          // styles.label.fontSize = "14";
          styles.itemStyle.color = color[x % color.length];
          //styles.symbolSize = ((x * 5) % 50) + 20;
          styles.name = "type" + this_style;
          dataOption.pointStyles[this_style] = styles;
        }
        nodestyles[this_style] = dataOption.pointStyles[this_style];
      }
      dataOption.pointStyles = nodestyles;
      let categories = [];
      for (var x in dataOption.pointStyles) {
        var style = dataOption.pointStyles[x];
        categories.push(style);
        //dataOption.pointStyles.push(styles);
      }
      //初始化路径样式+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
      var linkstyles = {};
      for (let x = 0; x < data.links.length; x++) {
        this_style = data.links[x].name;

        if (dataOption.lineStyles[this_style] == undefined) {
          var styles = {};
          styles.color = color[x % color.length];
          styles.label = {};
          styles.label.color = color[x % color.length];
          //styles.label.fontSize = "14";
          dataOption.lineStyles[this_style] = styles;
        }
        linkstyles[this_style] = dataOption.lineStyles[this_style];
      }
      dataOption.lineStyles = linkstyles;
      data.links.forEach(link => {
        link.label = {
          align: "center"
          //fontSize: 12,
        };

        if (
          !dataOption.lineStyles[link.name] ||
          !dataOption.lineStyles[link.name].color
        ) {
          //未定义则默认为100
          link.lineStyle = {
            color: color[2]
          };
        } else {
          link.lineStyle = {
            color: dataOption.lineStyles[link.name].color
          };
          link.label = dataOption.lineStyles[link.name].label;
        }
      });
      // console.log(dataOption.pointStyles,"+++++",dataOption.lineStyles);

      let option = {
        title: {
          text: dataOption.title.text, //主标题
          textStyle: {
            color: "#fff", //颜色
            fontFamily: "微软雅黑", //字体
            fontWeight: "normal", //粗细
            fontSize: 17, //大小
            align: "center" //水平对齐
          },
          subtext: dataOption.title.subtext, //副标题
          subtextStyle: {
            //对应样式
            color: "#fff", //颜色
            fontFamily: "微软雅黑", //字体
            fontWeight: "normal", //粗细
            fontSize: 12, //大小
            align: "center" //水平对齐
          },
          x: dataOption.title.x,
          itemGap: 7
        },
        legend: dataOption.legend,
        series: [
          {
            type: "graph",
            layout: "force",
            symbolSize: dataOption.symbolSize ? dataOption.symbolSize : 20,
            width: "50%",
            height: "50%",
            draggable: true,
            roam: false,
            focusNodeAdjacency: true,
            categories: categories,
            edgeSymbol: ["", "arrow"],
            // edgeSymbolSize: [80, 10],
            edgeLabel: {
              normal: {
                show: true,
                textStyle: {
                  fontSize: dataOption.fontSize ? dataOption.fontSize : 20
                },
                formatter(x) {
                  return x.data.name;
                }
              }
            },
            label: {
              show: true,
              textStyle: {
                fontSize: dataOption.fontSize ? dataOption.fontSize : 20,
                fontFamily: dataOption.fontFamily
                  ? dataOption.fontFamily
                  : "微软雅黑",
                fontWeight: dataOption.fontWeight
                  ? dataOption.fontWeight
                  : "normal",
                color: dataOption.fontColor ? dataOption.fontColor : "#fff"
              }
            },
            force: {
              repulsion: dataOption.repulsion
                ? parseInt(dataOption.repulsion)
                : 500,
              edgeLength: 120
            },
            data: data.nodes,
            links: data.links
          }
        ]
      };
      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }
      this.chart.setOption(option, true);

      addOption(dataOption.bindingDiv, option);

      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //console.log("params", params);

          //设置参数
          let arrObject = {
            legendName: params.name,
            data: params.data.category
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let bindList = this.chartOption.bindList;

          if (bindList.length > 0) {
            linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
          }
        });
      }

      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            legendName: params.name,
            data: params.data.category
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let drillDownChartOption = this.chartOption.drillDownChartOption;

          if (
            drillDownChartOption != undefined &&
            drillDownChartOption != null
          ) {
            this.$set(
              this.chartOption.drillDownChartOption.chartOption,
              "requestParameters",
              "drillParam=" + arrs
            );
            //发送下钻消息
            VueEvent.$emit(
              "drill_down_msg",
              this.chartOption.drillDownChartOption
            );
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.off("click");
      }
      //开启远程图表控制
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              legendName: params.name,
              data: params.data.category
            };

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          });
        }
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>
